protected override void OnResume()
{
base.OnResume();
new Task(() => DoUpdateTicker(true)).Start();
updater = new ScheduledThreadPoolExecutor(1);
updater.ScheduleAtFixedRate(() => DoUpdateTicker(false), 15, 15, TimeUnit.SECONDS);
}
private void ScheduleHistoryCleaner()
{
bool startCleanerService = conf.GetBoolean(JHAdminConfig.MrHistoryCleanerEnable,
true);
if (startCleanerService)
{
cleanerInterval = conf.GetLong(JHAdminConfig.MrHistoryCleanerIntervalMs, JHAdminConfig
.DefaultMrHistoryCleanerIntervalMs);
futureHistoryCleaner = scheduledExecutor.ScheduleAtFixedRate(new JobHistory.HistoryCleaner
(this), GetInitDelaySecs() * 1000l, cleanerInterval, TimeUnit.Milliseconds);
}
}
/// <exception cref="System.Exception"/>
protected override void ServiceStart()
{
hsManager.Start();
if (storage is Org.Apache.Hadoop.Service.Service)
{
((Org.Apache.Hadoop.Service.Service)storage).Start();
}
scheduledExecutor = new ScheduledThreadPoolExecutor(2, new ThreadFactoryBuilder()
.SetNameFormat("Log Scanner/Cleaner #%d").Build());
scheduledExecutor.ScheduleAtFixedRate(new JobHistory.MoveIntermediateToDoneRunnable
(this), moveThreadInterval, moveThreadInterval, TimeUnit.Milliseconds);
// Start historyCleaner
ScheduleHistoryCleaner();
base.ServiceStart();
}
public void TestRateThreaded() {
var config = new Configuration();
config.AddEventType<SupportBean>();
epService = EPServiceProviderManager.GetDefaultProvider(config);
epService.Initialize();
var runnable = new RateSendRunnable(epService.EPRuntime);
var timer = new ScheduledThreadPoolExecutor(1);
//string viewExpr = "select RATE(LongPrimitive) as myrate from SupportBean#time(10) output every 1 sec";
var viewExpr = "select RATE(10) as myrate from SupportBean output snapshot every 1 sec";
var stmt = epService.EPAdministrator.CreateEPL(viewExpr);
stmt.Events += (sender, args) => Log.Info(newEvents[0].Get("myrate"));
var rateDelay = 133; // <== change here
var future = timer.ScheduleAtFixedRate(runnable, 0, rateDelay, TimeUnit.MILLISECONDS);
System.Threading.Thread.Sleep(2 * 60 * 1000);
future.Cancel(true);
}
